20 LED Solar Powered Weatherproof GreenLED Wireless Wall Motion Light for Outdoor Patio Use 20 LED LIGHTS: Brighter than competing lights in the market. WEATHERPROOF: Two layers of tightly-sealed o-rings around the inner loop allows GreenLED to be weatherproof and waterproof. 3 INTELLIGENT LIGHT MODES: Strong Light Mode, Dim Light Sensor Mode and Strong Light Sensor Mode. BALL HEAD SENSOR: Compared to other similar lights, the ball head sensor of GreenLED light is bigger and more powerful and has a longer sensor length of 10-26 feet (Please note: Sensor length is affected by the temperature changes.) 100% SATISFACTION GUARANTEED: Buy with confidence! If you are not happy with your GreenLED light, we will refund you 100% of your money no questions asked!